219489390

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{397}}^1\times {\mathrm{6143}}^1$

素因数の和:6553

約数の個数: 48

約数和(自身を含む): 572203008

約数和(自身を除く): 352713618

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 397, 794, 1191, 1985, 2382, 3573, 3970, 5955, 6143, 7146, 11910, 12286, 17865, 18429, 30715, 35730, 36858, 55287, 61430, 92145, 110574, 184290, 276435, 552870, 2438771, 4877542, 7316313, 12193855, 14632626, 21948939, 24387710, 36581565, 43897878, 73163130, 109744695, 219489390]

約数ペア:

[(1, 219489390), (2, 109744695), (3, 73163130), (5, 43897878), (6, 36581565), (9, 24387710), (10, 21948939), (15, 14632626), (18, 12193855), (30, 7316313), (45, 4877542), (90, 2438771), (397, 552870), (794, 276435), (1191, 184290), (1985, 110574), (2382, 92145), (3573, 61430), (3970, 55287), (5955, 36858), (6143, 35730), (7146, 30715), (11910, 18429), (12286, 17865)]